# US 10,500,928 B2 · Air vent for a vehicle

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- Number: US 10,500,928 B2
- Document ID: US10500928B2
- Status: Granted
- Kind: B2
- Application number: 15/513,920
- Filed: 2015-09-23
- Published: 2019-04-25
- Granted: 2019-12-10
- Earliest claimed: 2014-09-24
- Assignees: Nifco Korea Inc.
- Applicants: Nifco Korea Inc.
- Inventors: Young Gook Lee
- Web page: https://patentgrep.com/patent/US10500928B2

## CPC

- B60H 1/3421: {using only pivoting shutters}
- B60H 1/345: {with means for adjusting divergence, convergence or oscillation of air stream}
- B60H 2001/3478: {acting on additional damper doors}
- B60H: ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES

## Abstract

The present invention relates to an air vent for a vehicle, the air vent enabling adjusting of an air discharge direction of an air vent, which is for supplying the outside air to the inside of a vehicle, to various angles as well as diffusing the air being discharged.

## Claims

### Claim 1

An air vent for a vehicle, comprising:
a duct housing (10) having an air flow path formed therein and a air discharge hole (11) provided at the front side thereof;
a damper (15) positioned in the air flow path at the rear side of the duct housing (10);
a plurality of front vanes (20) arranged on spacers, which are provided to an upper end and a lower end in the front portion of the duct housing (10), so as to rotate in the right and left directions;
a plurality of rear vanes (30) positioned in front of the front vanes (20) and arranged on spacers, which are provided on a right side and a left side in the duct housing (10), so as to rotate in the vertical direction, and having interlocking shafts (32) further provided at the rear portions of hinge shafts (31) at one side of the rear vanes;
a vane knob (35) coupled to one of the rear vanes (30) and fitted with one of the front vanes (20) at an adjustment bar provided at the front end of the inside thereof, so as to rotate the rear vanes (30) in the right and left directions and rotate the front vanes (20) in the vertical direction;
a rear vane joint link (40) having rear vane link bars (41) for respectively connecting the interlocking shafts (32) of the plurality of rear vanes (3) so as to enable joint motion, and a rear vane operation bar (42) further assembled into the rear vane link bars (41) in such a manner that one end of the rear vane operation bar (42) is coupled by a pin to the rear vane interlocking shaft (32) at a position in the center of the rear vane link bars (41) and the other end thereof is provided with a rear vane movement pin (42a);
a damper joint link (50) having a rotation arm (51), of which one end is assembled into a side surface at the rear portion of the duct housing (10) so as to be coupled to the damper (15) and the other end is assembled into a dial link bar (52), which is positioned in a forward discharge hole direction at the outside of the duct housing (10) and has a damper rotation pin (52a) at a front end thereof; and
a dial assembly (60) having a dial support member (61) coupled to a side surface at the front portion of the duct housing (10), a dial knob (62) rotatably provided to the inside of the dial support member (61), and a rear vane cam hole (64) and a damper cam hole (65) formed next to each other in the rear surface of the dial knob (62) such that one end of the dial link bar (52) moves along the damper cam hole (65) and the one end of the rear vane operation bar (42), which is connected to the rear vane link bar (41), is coupled to the rear vane cam hole (64), thereby moving the dial link bar (52) and the rear vane link bar (41) by the rotation of the dial knob (62) in the horizontal direction.

### Claim 2 (depends on 1)

The air vent for a vehicle according to claim 1, wherein the rear vane cam hole (64) and the damper cam hole (65) are respectively formed to have a damper-closing point (64a), (65a), a damper-opening point (64b), (65b) and a rear vane-spreading point (64c), (65c), such that the dial knob (62) is rotated at the damper-closing point (64a), (65a), the damper rotation pin (52a) is positioned at damper-opening point (65b) and moves the dial link bar (52) in the horizontal direction so as to rotate the damper (15), and the rear vane movement pin (42a) is placed at the position of the damper-opening point (64b) without friction in the rear vane cam hole (64).

### Claim 3 (depends on 1)

The air vent for a vehicle according to claim 1, wherein the rear vane cam hole (64) and the damper cam hole (65) are respectively formed to have the damper-closing point (64a), (65a), the damper-opening point (64b), (65b) and the rear vane-spreading point (64c), (65c), and, when the dial knob (62) is rotated in a state, in which the damper rotation pin (52a) and the rear vane movement pin (42a) are positioned at the damper-opening points (64b), (65b), the rear vane movement pin (42a) is positioned at the rear vane-spreading point (64c) and moves the rear vane operation bar (42) in the horizontal direction so as to jointly move the rear vane link bar (41) such that the rear vanes (30) are changed to have symmetrical inclination with respect to the rear vane operation bar (42) and the damper rotation pin (52a) is placed at the position of the rear vane-spreading point (65c) without friction in the damper cam hole (65).